" But then I looked in the glass and saw the spy beyond the clergyman, the image beyond the image, and beyond the spy was yet another man, the image beyond the image beyond the image. Reality blurred; fantasy and truth became inextricably intertwined. I told myself I had imagined the distant stranger but as I felt my personality begin to divide I covered my face with my hands. "

― Susan Howatch , Glittering Images (Starbridge, #1)